REDHAT-BUG-2445120: High severity pypi/authlib vulnerability

Published Mar 6, 2026
·
Updated

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application code when a failure was expected.. This issue has been patched in version 1.6.7.

Affected Software

1 affected component
pypi/authlib>=1.6.5<1.6.7

Event History

Mar 6, 2026
Data Sourced
via Red Hat·07:02 AM
DescriptionSeverityAffected Software
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